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Coronavirus impact: Airlines now have another problem after international travel restrictions

The airlines are left with unused aircraft. And, it is a double whammy of sorts.

March 12, 2020 / 19:37 IST
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With key international markets closing doors on fliers, Indian airlines are staring at a new challenge amidst the spread of coronavirus: unused aircraft.

It is a double whammy of sorts. Apart from loss of business, airlines have to continue paying rentals and parking charges on these aircraft.

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While airlines, including Air India and IndiGo, have already suspended flights to China, where the virus first broke out, operations to key markets including Singapore and Thailand have been truncated.

Added to the list are Qatar and Kuwait, which have barred fliers from India in an attempt to limit the spread of the virus.

COVID-19 Vaccine
Frequently Asked Questions

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How does a vaccine work?

A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

How many types of vaccines are there?

There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

What does it take to develop a vaccine of this kind?

Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.
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